Introduce of products We company is the only civil biggest supplier of high precision tungsten carbide alloy ball-bead with the manufacture capability of 80 million grains per-day. It has qualifier ISO 9000 authentication. To accommodate requirement of metropolitan getting into WTO, we are seeking cooperation partner in widely world.
High precision tungsten carbide alloy ball-bead is an important component which is widely used in ballpoint, ball-pen, and ink ball-pen. It is superior quantity assurance to pen and it can make handwriting to be more fluency, equality.
High precision tungsten carbide alloy ball-bead is composed of tungsten carbide powder, high purity cobalt ponder, nickel powder. It is agglutinated through with vacuum industries ( VI ) bring in American and grinned, polished with several orders of high precision. It is also checked up to grade through high power microscope.
Product standard :
1. external diameter : 0. 5mm 1. 2mm?.002mm
2. degree of ellipse : 0.001mm
3. degree of finish : 13
4. hardness : 85?